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xen-devel
[Xen-devel] Re: Xen and incorporating event channels in to nr_irqs
On Wed, 2011-02-16 at 16:25 +0000, Thomas Gleixner wrote:
> On Wed, 16 Feb 2011, Ian Campbell wrote:
> > On a vaguely related note, what is the future of non-sparse IRQs (on x86
> > and/or generally)?
>
> In general I want to switch everything over to SPARSE_IRQ. When the
> open coded access to irq_desc[] is gone, which should be mostly the
> case in .39 then switching everything over should be a smooth
> thing. For those archs which do not want to adjust the numbers
> dynamically we simple allocate NR_IRQS in early_irq_init(). So they
> wont even notice.
Sweet, I won't worry myself unduly over the non-SPARSE_IRQ case then.
Thanks,
Ian.
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